Law of Contract: Fundamental common law principles governing contract modifications, including requirements for valid variations and consideration principles for contract amendments
Statute of Frauds 1677: Historical legislation that requires certain contracts and their modifications to be in writing and signed by the parties to be enforceable
Unfair Contract Terms Act 1977: Legislation controlling the use of unfair terms in contracts, ensuring new terms in amendments are fair and reasonable, with different considerations for B2B and B2C contracts
Consumer Rights Act 2015: Modern legislation governing consumer contracts, including requirements for fairness, transparency, and consumer protection in contract terms and modifications
European Union (Withdrawal) Act 2018: Post-Brexit legislation affecting how retained EU law impacts contract terms and their interpretation in English and Welsh law
Limitation Act 1980: Legislation governing time limits for legal actions, relevant when considering extended contract periods and limitation periods
Electronic Communications Act 2000: Legislation governing electronic signatures and communications in contract execution and modification
Companies Act 2006: Primary legislation governing company operations, including requirements for corporate authority in contract execution and modification
